Coldcard Q
COLDCARD Q with QR scanner, 3xAAA battery support, dual SD cards, qwerty keyboard and huge new screen. Includes all Mk4 features.
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Coldcard MK4
COLDCARD Mk4 with upgraded secure elements, USB-C connector, new plastic, optional NFC, massive RAM for multisig, and much-much more.
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Overview
COLDCARD Mk4 with upgraded secure elements, USB-C connector, new plastic, optional NFC, massive RAM for multisig, and much-much more.
Details
HIGHLIGHTS
What’s new in Mk4
- USB-C Connector
- Unlimited Memory, no Bitcoin Transaction size restrictions
- NFC Tap for all data types, PSBT, Address, etc…
- Sliding Cover protects screen
- Even more security: Dual SE (Secure Elements)
- 1. Extensive duress PIN features
- 2. Multi-vendor solution
- USB Virtual Disk mode
Explainer in English by Bitcoin Sessions: https://www.youtube.com/watch?v=FAYmE5-40PQ&list=PLxdf8G0kzsUVkZ5_Jc6PyG_j4K8htg-i3
Explainer in Dutch by Bart Mol: https://www.youtube.com/watch?v=4Nh9QFhLbWI
